242665767 has 8 divisors (see below), whose sum is σ = 359504880. Its totient is φ = 161777160.

The previous prime is 242665751. The next prime is 242665807. The reversal of 242665767 is 767566242.

It is not a de Polignac number, because 242665767 - 2⁴ = 242665751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242665567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4493784 + ... + 4493837.

It is an arithmetic number, because the mean of its divisors is an integer number (44938110).

Almost surely, 2^242665767 is an apocalyptic number.

242665767 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

242665767 is a deficient number, since it is larger than the sum of its proper divisors (116839113).

242665767 is an equidigital number, since it uses as much as digits as its factorization.

242665767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8987630 (or 8987624 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 242665767 is about 15577.7330507362. The cubic root of 242665767 is about 623.7389116680.

The spelling of 242665767 in words is "two hundred forty-two million, six hundred sixty-five thousand, seven hundred sixty-seven".